# Box Fill Calc vs FireAlarmGuy

The clearest difference is price: FireAlarmGuy at Free against Box Fill Calc's $4.99. FireAlarmGuy also leads on rating (5.0 vs 3.2) and review sentiment (100% vs 60%). Box Fill Calc's advantage is iOS requirement (8.0 vs 16.4). On ratings volume, ads, in-app purchases and device support there is nothing between them.

FireAlarmGuy is free to download; Box Fill Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FireAlarmGuy holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 60% of Box Fill Calc's written reviews are positive against 100% of FireAlarmGuy's.

Box Fill Calc ships an update every 3 months, FireAlarmGuy monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Box Fill Calc | FireAlarmGuy |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/box-fill-calc/id895211266/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/firealarmguy/id6742727065/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 18 MB | 35 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [Jack Dalton](https://appshunter.io/developer/1799610315) |

## What reviewers say

### Box Fill Calc

[App page](https://appshunter.io/ios/app/box-fill-calc/id895211266)

This app simplifies electrical box fill calculations for any job size. It allows users to create and save unlimited calculations, solve for various box sizes, and export results to spreadsheets or print directly. It supports current electrical code standards and includes a built-in construction calculator.

**Highlights:** Unlimited saved calculations, Solve for custom and compound boxes, Export results to spreadsheet, Direct printing via AirPrint, Supports 2014 NEC and 2012, Built-in construction calculator

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FireAlarmGuy

[App page](https://appshunter.io/ios/app/firealarmguy/id6742727065)

This utility app provides two essential tools for fire alarm technicians. It features a calculator for determining DMX dip switch settings and a decoder for understanding battery manufacturing date codes, streamlining fieldwork.

**Highlights:** DMX Dip Switch Calculator, Battery Date Code Decoder, Device addressing assistance, Battery production date lookup, Fieldwork simplification

**In-app purchases:** none


## Frequently asked questions

### Is Box Fill Calc free?

Box Fill Calc costs $4.99, with no in-app purchases.

### Is FireAlarmGuy free?

FireAlarmGuy is free to download, with no in-app purchases.

### Which has better reviews, Box Fill Calc or FireAlarmGuy?

FireAlarmGuy is rated higher. Box Fill Calc averages 3.2 out of 5 from 5 ratings, while FireAlarmGuy averages 5.0 from 8 ratings.

### Do Box Fill Calc or FireAlarmGuy have ads?

Neither Box Fill Calc nor FireAlarmGuy shows ads.

### Which is updated more often, Box Fill Calc or FireAlarmGuy?

Box Fill Calc ships an update every 3 months, and FireAlarmGuy monthly. Most recently, Box Fill Calc was updated on October 24, 2026 and FireAlarmGuy on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*